Uncommon International Olympic Committee (IOC) badge from the 63rd IOC Session held in October 1965 in Madrid, Spain. The bronze-tone badge, 31 mm x 51 mm, 21 gm, features a white-and-yellow enamel design of the Puerta de Alcalá between Olympic rings and text, “Madrid, 1965, C.I.O.” In fine condition, with a slight bend to badge.